¡Feliz viaje y buena suerte, WilderRider!
I rode a similar path last December and am still in the process of riding a staged trip through South America, leaving the bike and flying home to take care of business and family matters. I'll be doing Medellín, Colombia to Cuenca, Ecuador later this month. I have two children as well, ages 9 and 11. Unfortunately I can't get away for three months at a crack, but I should be able to make it to TDF by the end of February.
PM if you need anything.
¡Disfrute al máximo!